| Ansonia to Olympia Heights (Florida) | 1,156.51 mi (1,861.22 km) |
| Ansonia to Omaha (Nebraska) | 1,189.47 mi (1,914.27 km) |
| Ansonia to On Top of the World Designated Place (Florida) | 991.43 mi (1,595.56 km) |
| Ansonia to Onalaska (Wisconsin) | 936.87 mi (1,507.75 km) |
| Ansonia to Oneida (New York) | 178.71 mi (287.61 km) |
| Ansonia to Oneonta (New York) | 128.23 mi (206.37 km) |
| Ansonia to Ontario (California) | 2,459.00 mi (3,957.38 km) |
| Ansonia to Ontario (Oregon) | 2,211.28 mi (3,558.71 km) |
| Ansonia to Opa-locka (Florida) | 1,143.33 mi (1,840.01 km) |
| Ansonia to Opelika (Alabama) | 904.50 mi (1,455.65 km) |
| Ansonia to Opelousas (Louisiana) | 1,295.32 mi (2,084.62 km) |
| Ansonia to Orange (California) | 2,477.13 mi (3,986.56 km) |
| Ansonia to Orange (Texas) | 1,389.93 mi (2,236.88 km) |
| Ansonia to Orange City (Florida) | 973.96 mi (1,567.44 km) |
| Ansonia to Orangeburg (South Carolina) | 690.30 mi (1,110.93 km) |
